Greenbush, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenbush, a city in Roseau County, Minnesota.
Overnight
48°F
Partly Cloudy
Partly cloudy. Low around 48, with temperatures rising to around 50 overnight. West wind around 10 mph.
7-day forecast for Greenbush
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Partly Cloudy | 10 mph W | 0% |
| Tuesday | 70°F | Sunny | 10 to 17 mph W | 0% |
| Tuesday Night | 49°F | Mostly Clear | 6 to 14 mph SW | 1% |
| Wednesday | 77°F | Mostly Sunny | 9 to 21 mph SW | 0% |
| Wednesday Night | 56°F | Partly Cloudy | 9 to 17 mph SW | 13% |
| Thursday | 79°F | Mostly Sunny | 9 to 18 mph WSW | 2% |
| Thursday Night | 57°F | Mostly Clear | 8 to 15 mph WSW | 13% |
| Friday | 77°F | Sunny | 7 to 16 mph WNW | 13% |
| Friday Night | 52°F | Mostly Clear | 3 to 14 mph N | 6% |
| Saturday | 75°F | Mostly Sunny | 3 to 14 mph N | 8% |
| Saturday Night | 53°F | Partly Cloudy | 5 to 13 mph N | 11% |
| Sunday | 74°F | Mostly Sunny | 6 to 12 mph NNW | 9% |
| Sunday Night | 54°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 12 mph N | 19% |
| Monday | 74°F | Slight Chance Rain Showers then Partly Sunny | 5 to 12 mph N | 19% |
Forecast source: National Weather Service (api.weather.gov) for Greenbush (48.701, -96.184). Updated through the day.
Growing snapshot for Greenbush
Last spring frost
May 6
First fall frost
Oct 3
Growing season
148 days
Hardiness zone
3b
More local growing data for Greenbush: nearby ZIP 56726 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Agassiz Refuge, Mn (31.2 mi from Greenbush). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.